Regulator for fluid-operated pumps and motors.



PATENTED MAR. 19, 1907: B. OBEAR @5 S. O. MARTIN. REGULATOR FOR FLUID OPERATED PUMPS AND MOTORS.

APPLICATION FILED OGT.21, 1905.,

2 SHEETS-SHEET 1.

' A anvculiozd, 15/3/01? 06m)" mm No 847,358. PATENTED MAR. 19, 1907. B. OBEAR & S. G. MARTIN.

REGULATOR FOR FLUID OPERATED PUMPS AND MOTORS. APPLIQATION FILED 00:17.21, 1905.

2 SHEETS-SHBET 2.

-UNITED Si ES arnnr Fron.

BRYAN OBEAR AND SlLAS C. MARTIN. OF ST. LOUIS, MISSOURI, ASSIGNORS I TO MONTAGUE COMPRESSED AIR COMPANY, OF ST. LOUIS, MISSOURI, A

CORPORATION OF MISSOURI.

REGULATOR FOR FLUID-OPERATED PUMPS AND Morons- Specification of Letters Patent.

Patented March 19, 1907.

Application filed October 21, 1905. Serial No 283,862.

To and whom it may concern.- Be it known that we, BRYAN OBEAR and SILAs C. MAR/rm, cltlzens of the United States,'residing at St. Louis, State of Mis souri, have invented certain new and useful Improvements inRegulators for Fluid-Operated Pum is and Motors, of which the fol lowing is a 'ull, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

.Qur invention has, relation to improvements in regulators for fluid-operated pumps .and motors; and it consists in the novel con-.

1 struction. and arrangement of parts'more fully set forth in the specification and pointed out in the claims.

In the drawings, Figure 1 is a front elevation of our regulator as a )plicd to a waterpump for umping water from cellars, wells, and the li e, the regulator-pistons beingat half-stroke. Fig. 2 is a vertical longitudinal section on the line 2 2 of Fig. 3 of one end of the regulator, the piston beingat the limit of 'its outward stroke. Fig.3 is a transverse vertical section on line 3 3 of Fig. 1 Fig. 4 isan enlarged sectional clevatomof one of the controlling-valves for the pump. Fig. 5 is a sectional elevation of the Yvalve leading,

from the compressed-air reservoir. Fig, 6 a sectional detail on line 6 6 of Fig. 1. Fig. 7 is a diagrammatic vertical section on line 7 7 of Fig. 8, showing the construction of the pump; and Fig. 8 is a l'iorizontal section on line 8 8 of Fig. 7. Theobject of our invention is to provide fluid-operated pumps (and motors) with a regulator which will properly and positively control the timely admission of the dynamic fluid into the pump (or motor) with a view the air is supplied from any available source. (Not shown.) Leading from the same is the main valve-controlled feed-pipe P, which may be used to feed the compressed air to the airmotor M, which latter is preferably of the tappet type of-motor of any'desigii and requires no detailed description herein. The motor may be operated, and under ordinary circumstances (where low fluid-pressure is sufficient for the purpose, as in pumping Water from deep places when rapid pumping is prohibitive) the same is operated b compressed air supplied thereto by the ranch pipes p p, to which the fluid is alternately supplied through the pipe connection p, the fluid thus supp ied forcing the piston 1 of the motor first in one direction and then the other, suitable provision being made to exhaust through ports in the slide-valve 2, as best seen in Fig. 2. As before stated, we

make no claim to the motor, and that here shown is a conventional form for which any other may be substituted, and while that herein shown is a compressed-air motor av steam, gas, or electric motor may be sub-' s'tituted therefor.

Theadmission of the driving'iluid first to one side of the piston 1 and then the other is accomplished by the timely actuation of the hinged Y-valve 3, located at the junction of the pi es 1; 19, Fig. 5, the outer arm 3 of the valve eing loosely coupled to the pitman ,or wel from whose opposite ends depend links 5 5, formin rigid extensions of onset the members or' the outer forked arms of the.

yokes 6, said forks loosely embracing the piston-rod 7. 'lghe opposite ends of the pistonrod 7 are provided with pistons 8, operating in cylinders 9, provided with petcocks 10 along their peripheral walls and with checkvalves 11 in the heads. The base of each yoke .6 is pivoted to the framework F, so as to oscillate or rock in a vertical plane, each yoke being provided-adjacent to the pivotal point with horizontal arms 12 12, respec tively, the arms 12 being coupled to links 13 13, which in turn connect with levers 14, connected to the stems 15 of the main controlling-vaives 16, which supply the compressed air or fluid to the pum s, as presently to be seen, and the arms 12 eing cou iled to links 13, which in turn connect wit levers 14,

2 sensors coupled to the stems of similar valves, which control the exheust of the. fluid by which the pumps were operated. The valve-casings "f of the main controllingvslves are coupled to the branches or shunts 17, leading from the base of the main sir-sup ply pipe S, suitable check-valves 18, Fig.4,-

' 14. The exhaust-valves are identical with the valves 16, Fig. 4;, and hence an illustretion of one will sullice for both. of the peripheral wells of the pump-cylinders are connected by the pipes ZS-to the written disclnirge pipe 24, the discharge ends of the pipes 23 being provided with ehecltvslves 25, Fig. 8. The lower heads of the cylinders ZO'c'ommunieete with a common chamber 26 through openings controlled by check-ralves 2-7, a suetion-pipo 28, whose delivery end is controlled by a chock-valve 29, leading from this chamber to the well or seller from which the water is to he pumped. The pipe is )ret'embly erlorated peripherslly, as shown, l ig. -1. '1 1e pump composed of the cylinders 2t) 20, ehniluber 26, pipe 24, and their eot'iperuling pnrlsjis not herein vclaimed, as the some is of u well-known patented lgpe and forms no part of the present invention.

forked ends of ouch 3 olte 6, is a ring or collar 30. As the piston 1 reaches the end, so of it. left-hand stroke, Fig. 2, the collars or lappels Bl) impinge against the adjacent ends of the yokes, siniulluneousl rocking the sonnnlmut their pivots mid depressing the ends impinged by the lnppels. 'lhis depression draws or pulls the pitnlun-l inn correspond ing direct-ion, rocking the arm 3 ol" the Y t'or dlivinp the piston l in theoppusilo dareo lion. ()l" course when the pislon i has reached the end of its opposite st rolie the re verse 0i the ;lperulions just described lakes plaice, the "is sllion. The dotted position oi the ports 1H Big. 2 illustrates thelleviee for the opposite stroke. 'tus being alike the illustration of one em sulliees. in its reciprtu'nlions the piston-rod 7 drives the pistons 8 llllth' inn! forth in the lGgllltttOl-C}'llll lOFS Q. The petrol-ks ill or any one or more of them. may be lelt'open. Of course as the )iston 8 begins to move to begin a new st-ro e it leaves, a vacuum be The losses l n l'ttllglllillg to its original po 1 Of course both ends oi the nppurzrtween it and the adjacent head of the eylir der, this vacuum continuing u'ntil the sait piston 8 has passed by one of the open petcecks, in which event the air will rush intot-he vacuum, thus equalizing the pressure on up posits sides of the iston and easing the load or resistance whiei the piston must over come. Referring to Fig. 1, right-hand side,

if We assume the fourth petceek 10 to bethe open, one then the moment the pistonj8 has 7 5 cause the tn ppets 30 lo impinge' againsh-theBo yokes and begin the reverse stroke for the motor. With, the rocking of the yokes 6 in one direction or the other the following takes place: The arms 12 12 become tiltedsutlieientl to open. one of the controlling- .5

valves to end close the other andlat the same time open the-exhaustwalve leading irons l he pumpw iilnler 20 of t he closed valve and (ls-st theexhaust-wire leadingfrom the nun Finder of the (1 wen Valve Fi 2. d-

By the open valve 16 the air will rush into its uu'respondinu sin-pipe 19, past thepressure-valve '21, into the pump(ylinder 20, toning thewnler lelore it past the checkvalve 25 into the (llSi'lllllfI(-])lp6 2.4 and out.

The other \'lln-der 20 (whose Controlling- Ynl've l6 is dosedl will le permitted to QX hnust its air uuuenls direttly through pipe .32, past the open valve, and through the nozzle '31 of the exhaust-valve casingfi". 300

(See arrows in Fig. 7 for the (curses of the turrents.) When the parts lnn e reached The operation oi the device is us follows: i Stunned to the p1ston-rod 7, between the l the end of their opposite strokes, of (nurse the same results iollow, except that the sec- 3 silion, its l. ontents leing toned into the pipe as fast as the air from sin-h Qylinder exhausts 1 10 i or is permitted to (so e through the pipe 312 and valve it follows, therefore, that I with (Rtll retiprouition of the piston 1 one valve to' its extreme pos tion slulpernnllnug the motor fluid to pass into lheproperpipe 1 1 l l l l pump-t ylinder is filling with water while the (mite-111s of the other is forced outlay airn5- pressure from the reservoir R through the Yokes 6, which in turn actuate the valve 3,

by whirl: the admission of the motor fluid to opposite sides of the piston is controlled.

Q, (If (nurse the frequency and suddenness of.

these rmiprorations in a ineasure'd'epend on which parti ular' peteork-IO happens to be opened for the purpose ofjdestrgym the vacuum formed behind the pistons 8 0 the sir-cylinders -9. This frequency of rerersal of nurse, is l'ontrolled both by the depth of the wellnnd quantity of water to be pumped 1 o l l l The regulator can of course be used in connection with pumps or motors, he the same air or steam or any fluid whatsoever.

Having described our invention, what we claim is 1. .In a regulator, a reservoir or source of fluid-pressure supply, a motor-cylinder, a piston therein, a piston-rod projecting from the piston-rylinder at each end thereof, tappets on the rod, yokes pivoted in proximity to the projecting ends of the piston-rod, valve-controlled fluid-supply pipes leading from the source of supply to opposite ends of the motoncylinder, a pitman coupled at an intermediate point to the valve of the fluid supply pipes, means for pivotally coupling the yokes to the pitman, suitable cont-rolling and exhaust valves, link connecnections between the yokes and said valves, and fluid-pressure supply and exhaust pipes leading from the valve casings, substantially as set forth. i

2. in a regulator, a reservoir 01' source of i'luidpressure supply,

the piston-cylinder at each pets on therod, yokes pivoted in proximity i the piston-rod of the piston, 1 rod for actuating the yoke, a valve for to the pro ecting'ends of the piston-rod, fluidsupply pipes leading from the source a niotor-eylinder, a 1 piston therein, a piston-rod projez tmg from 1 end thereof, tapof supply to opposite ends of the motor-0y I inder, a valve at the meeting ends of said i pipes, a pitman (oupled at an intermediate point to said valve, and-having its opposite ends pivotally secured the yokes, suitable controlling and exhaust valves, link connections between the bases of the yokes and the said valves, and fluidpressure supply from the 'ttlVG-(ZztSil'lgS, substantially as set forth.

to-tho outer ends of 5 ends of the piston-cylinder, a valve at the meeting point of said branches, an oscillating yoke pivoted in proximity to the piston-rod and actuated by the tappet, a regulatorcylinder, a series of petcocks disposed along the walls thereof, a piston on the piston-rod operating in said regulator-cylinder, link connections between the yoke and the valve for the branch pipes aforesaid, suitable fluidpressure controlling and exhaust valves aotuated by the oscillations of the yoke, a supply-pipe leading from the source of supply to the controlling-valve, and fluidpressure and exhaust pipes leading from the controlling and exhaust valves respectively to a common pump or equivalent motor, substantially as set forth.

4. In combination with a pump, a regulator, a source of fluid-pressure supply, a motor comprising a cylinder and piston reeiproeating therein, a fluid-pressure vpipe having branches leading to opposite ends of the cylinder, a controlling-valve, a supply-pipe connecting the casing of said valve With the source of fluid-pressure supply, an exhaustvalve, fluid-pressure and exhaust pipes leading respectivelyfrom the pump-cylinder to the controlling and exhaust valves aforesaid, an oscillating yoke pivoted in proximity to a tappet on the admitting fluid under pressure to the respective branches aforesaid, a pitinan or link conneeting said valve with the yoke, a regulator-cylinder having a piston therein coupled to the piston-rod aforesaid, and lntermediate link connections between the yoke and sxhaust pipes leading and the cont-rolling and exhaust valves aforesaid, substantially as set forth.

in testimony whereof We al'lix our signatures in presence oi two Witnesses.

In a regulator, a motor-cylindor, a piston reciprocating therein, a piston-rod pro- 1 jecting from the piston-( ylinder, a tappot 1 on said rod, a SOUR 0 ol fluid-pressure supply, 1

a pipe having branches leading to opposite BRYAN OBEAR. SILAS C. MARTIN.

Witnesses EMIL Srnnnx, MARY D. Wniroonn. 

